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  • Studies on chemical control of wheat stem rust
    颁布单位：[University of the Free State] |  颁布时间：2007 |  实施时间：2007 |  学科分类：[["Wheat, --, Diseases, and, pests","Wheat, --, Disease, and, pest, resistance","Wheat, rusts, --, South, Africa","Puccinia, graminis","Dissertation, (M.Sc.Agric., (Plant, Sciences:, Plant, Pathology))--University, of, the, Free, State,, 2007"]]
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  • Etiology of Fusarium crown and root rot of grain sorghum in South Africa
    颁布单位：[University of the Free State] |  颁布时间：2007 |  实施时间：2007 |  学科分类：[["Sorghum, --, Diseases, and, pests, --, South, Africa","Fusarium, diseases, of, plants, --, South, Africa","Root, rots, --, South, Africa, --, Etiology","Thesis, (Ph.D., (Plant, Sciences, (Centre, for, Plant, Health, Management))--University, of, the, Free, State,, 2007"]]
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  • Biological control of bacteria wilt in tobacco caused by Ralstonia solanacearum
    颁布单位：[University of the Free State] |  颁布时间：2007 |  实施时间：2007 |  学科分类：[["Dissertation, (M.Sc., (Plant, Sciences,, Centre, for, Plant, Health, Management))--University, of, the, Free, State,, 2007","Tobacco, --, Diseases, and, pests","Wilt, diseases","Plant, parasites, --, Biological, control"]]
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  • Epidemiology and control of diseases caused by Alternaria species on pistachio
    颁布单位：[University of the Free State] |  颁布时间：2007 |  实施时间：2007 |  学科分类：[["Pistachio, --, Diseases, and, pests, --, South, Africa","Alternaria, --, Control, --, South, Africa","Dissertation, (M.Sc.Agric., (Plant, Sciences, (Centre, for, Plant, Health, Management))--University, of, the, Free, State,, 2007"]]
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